As a grad student I went to the Czech Republic in 2004 to attend the European Conference on Computer Vision (ECCV). My paper with Sameer Agarwal, who is now a researcher at Google, had been accepted ...
Read an Image in OpenCV ( Python, C++ )
In OpenCV you can easily read in images with different file formats (JPG, PNG, TIFF etc.) using imread. The basic usage is shown below C++ Python The flags option is used to control ...
Non-Photorealistic Rendering using OpenCV ( Python, C++ )
Many years back, when I was a student, I wanted to write a filter that would create a stylized / cartoonized image like the one shown above. In my naivety I thought I could simply blur the image using ...
Seamless Cloning using OpenCV ( Python , C++ )
One of the exciting new features introduced in OpenCV 3 is called Seamless Cloning. With this new feature you can copy an object from one image, and paste it into another image making a composition ...
Image Thresholding in OpenCV
Carefully observe the animation below in Figure 1. How many numbers do you see? Most of you will see several numbers. But there is more to the image than meets the eye. As the image cycles ...
Blob Detection Using OpenCV ( Python, C++ )
This tutorial explains simple blob detection using OpenCV. What is a Blob? A Blob is a group of connected pixels in an image that share some common property ( E.g, grayscale value ). In the ...